{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0x80ca4bc1c7b487045ea736720c7c846255cbbf3ff7c37565f019446c03c38fa2",
    "signature": "0x8e7265ba54649be0dac06eb4fd1765c667d24910edd45dd7a2eb751e8e139d1f0ce52cc6086662777dd30302108d64d1a861303086e94fce0cbd4a8df84bc0f31c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}