{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471974",
    "entityType": "User",
    "nonce": "0x44be8f1f736d0086b3b9d7dfa688bcf6126140855dc9c11e84c450d217186f19",
    "signature": "0xf367e0ae626436db8696fd0ec0c59be55b16f2813315a5f9ccbfc4fe9988980172ec31f69b884b6590636e8a42e06c30786829e99accdc0f13b11e28ca3604041c",
    "signer": "0x96F25BA81df0482778A947af84C03800CF5f5d64",
    "userId": "993166642"
  }
}