{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74319",
    "entityType": "User",
    "nonce": "0x38cce9f524ac36aeaf9a328ca44423b171efd97344ddb8e8a1421f2efe022d49",
    "signature": "0x5e39d845dfb3c841415ba6abb77a101492502ba003e5cff9833b9dab0318344428ec7f4684070569518783f879c1f55402b41b42a3c8d2e3b329a368863fdb131c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}