{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0x638d5474b7564d65bd042c270dffe6398f0642fcc6449988aecdad5f749b494a",
    "signature": "0x3478f31ab2f6c7418db7dda2ed92c5d350d679d221534bd988abc20c99b783545aadecac048ff1ee28ee0f712bd4be4454b63beb0460e3c29782d7f876a0a1731b",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}