{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387864",
    "entityType": "User",
    "nonce": "0xa0367f3f40ba0ca0973383f69749b423641011eb788785f8123aebc39d63ebad",
    "signature": "0x89e674aca65db186bec2ab4fc651e9f6f6fe788e0527dc34929e29c9ed3a095512ed58e155f97e9f3b24d4d32808a8805c21df592d82d44a6b3689ecd5f9e7a91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}