{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x61a4ac5c999c0d16335a28697d9accefe6595c0b2e96e8c3cfee71c781e6121f",
    "signature": "0xe8915814a132175a9a94a968741790766d10c12e82c78907fd8f8ba45cb8dddb4e16aebc2a8c062a37187ee339615c2e4ce9b4830d2615254d758982457805681b",
    "signer": "0xE6B5777D1Cda6098756958CaF7bE04Bbfaa01F3E",
    "userId": "37158"
  }
}