{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1483025",
    "entityType": "User",
    "nonce": "0xf787d4986095ef9e2a166ce592debb56668fc87a0ff2934cdc0abb52db406a8a",
    "signature": "0x620e0114bdfa482fbe0e5181cf9accaa00549af372f7d74d64479e9e0c77335379f898800b5321cfd8b8ef76c45253645eb8104f7cc626be323c29b6594228c71b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}