{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1d3af6007fb5f6eb6e603b3a85903092ea6f4dd3414392b2e1ef5c7b1323f29d",
    "signature": "0x68f924f97dda9cdfce3b8725de6f54c53f787b43f232704429b4a069471117543081bb48b7bf6665d6446960fef8c06a99476040ef2e6e76f9c81e9e2ddf217c1b",
    "signer": "0x61979a2087663a855091adBd97d8de111D62E14B",
    "userId": "547618960"
  }
}