{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0x7e5b0718ed237f2e0d19e087dccfb7a2fd4644b58e926885b5a1398f3a6987d3",
    "signature": "0xab564e1206fd07a516a2bedf83cbdce9a2a2e3ed857bf862c459c059fb1030c02882dc52817c38ae163761b1bb830c18d6e6975d8c9b692e08999b1056962d3f1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}