{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x8ec1d44e288950857b03cef4852e6e15b5b33ec75ef93e3dfda6179dc6f6a172",
    "signature": "0x8e52f3ee6b6f83fba0896932553330fdb7aff64aef62a7a03eaf4e4328ad1d867400004fff9ae9483834eef6c16ef29b5fcb324da26297f9166dceefb0e9e13c1b",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}