{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0x319a680d1014eee252b31c3626b8e088410958a09f53e12cd6d734094d291174",
    "signature": "0x59c05da788a8d5d6f52977de7a43e801e0fa847e6f5ab435650ea424307713bc6d6f1ab6a5c2fbd418e59db76709c4d34d1bedb60d640ecddd33b8347ba0f24d1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}