{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0x9330c46e816a78e3de57f02f9a54f65c28165f000d510a363a330d2a36bec2a2",
    "signature": "0xfd3381c0109acab83e4fe7672379801fd277e9da94d6cf4a8e54458bd047dbd43264d07653df38cd18b3a7e9b58be411b0c8502c7c06dc68f016df8d986928a61b",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}