{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x028c693cc89869474303deba72b2120c2b5dd43e3584f10e464117733b0d438a",
    "signature": "0xa3e21f8e37c8ad38d43f8fddcd2b4e48ddaf31037efeac602cfd2f1b79a03d5975fe7ad1cd5941ab56567cd2e0e8851209e01e7f477a77f5549bf54c408ae4131b",
    "signer": "0x475214c922FC5730b84EE8CB61E1A9C38Aac1EF3",
    "userId": "461190224"
  }
}