{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "481025094",
    "entityType": "User",
    "nonce": "0x1d0acb72417ee61e14b100855d735f31308a98c3892a60e6ac090a6b1f922013",
    "signature": "0x7358d046c27a326b65fc331232707c61e5f443914214e6481dde3c20f3f8909e6b5b016776a69f1dbde744b9f0e27ebe575e98e7fd018612dc800534840f53021b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}