{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0x669fc68fc7ffcaf69f67adf6471210e3c55c5bb831d02e7a012ab73ed7929fa4",
    "signature": "0x71c772b479d18fb3923371098a7449c5d576f51dcf6f698e5e2d82abaa4ebc710aff7a3080f0d85f8bd57d464b6ce701d051c8a804c6d160ff8849a28148d9831b",
    "signer": "0xAf1f176E32866fb97d822F6f5222061aF11ef652",
    "userId": "954117045"
  }
}