{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176869",
    "entityType": "User",
    "nonce": "0x03c3ff7a57a2ee19dba807a57fc0c26908cc51b7fae5518ed643649ff2b4a2c7",
    "signature": "0xdd69ce1e380e8abfdf22b7e4a31f0e9a42809f3c36f7f707875bc42309586add3db978d88491a0fdbc6cfc6b4f66d35dad91895eb3717f2c8fe283954c3410151b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}