{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979252490",
    "entityType": "User",
    "nonce": "0x91bf94f9733c60768c77eefe40b00a29d13e9a730d618278f7b349809d00d4aa",
    "signature": "0xdca7fda4b75725a08812803092bbe9ac0c95597724a79a735a63bca838650fe273fe3e891845416dce85fc6bece40d0c897c9d00c4649aa807ba0af1c62388b81b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}