{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11870",
    "entityType": "User",
    "nonce": "0x3a7b89d24c7a056ed6abbeee931f872abf0a96a7fbf2f14661db2fc7ef930533",
    "signature": "0x721d9240958417851df54f4efdeaa28274cd31c7dca458340d6d669060622c4c648446b4ed6ec9ac963215ffe7d98e132f7460f3d3bc9df556250ea173002aaa1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}