{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29853",
    "entityType": "User",
    "nonce": "0x5eeb1de07097413c7a4e928e90da1d24b12e74ce8d32a42d0659ffe21ea222ec",
    "signature": "0xdddb202e8876894dc0966a05854ef3759b3f8e6b81e039ce97842abbefc6d7507a9b37d5fe763687eb2b7c1857163d6bca68db0df5c8d5567b174e0a2b9840f01c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}