{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5233",
    "entityType": "User",
    "nonce": "0x8304beb8d3eab2da76e506d67433555afd676c5d411ea3857f7d39aaac32184f",
    "signature": "0xf9c64e685c95c7a50a8f40cd6e66e8d10cdfb1ef6f7d0f37c6621eb07c1c695c569ea3291e839b0b6cc952784113d073994ded1b292152102e92615a19ffadfe1b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}