{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x2dc8315137b3d0be3682437dccb5ed526eb4447a0ec5f86cfd1eaa9812e0b27d",
    "signature": "0x1cc4be129960d5a849c97f325db908fbddae1da67061a22581c926cf6dd7a0892edb75ef296d51f9b4cb4f8faeab0b2832079459e609f62909e6df1dbf3693f01c",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}