{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1419678",
    "entityType": "User",
    "nonce": "0xcc324aa9ccb08fdaf5c9463cacffbbfa814a6621fad5f0ac6e081cd4e3b129a6",
    "signature": "0x98c27cbeb69092aa0ec42a74d5d05bd9b47c6945b3530b943b43dca712ccacc5344126ca1867c2075f5b3a8730b8db9caa7b676e9f44f4d03b7c256998e1ad401c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}