{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25970",
    "entityType": "User",
    "nonce": "0x859428fad98d42d44bbb08a976f194e7fb4d2aa99b1100268007448987339d2e",
    "signature": "0x8e2ca544cc16e8ab7466ae6425e1e8eb63c9f84501db8a113105337b9faa5b765d98b59ba967088fb8799e5ac8211ef4f1148c106da37fefdc3f8ab01cf0bd571c",
    "signer": "0xCf51c0CB439FF3aED8c04d4676b43572a8F8FB93",
    "userId": "763179319"
  }
}