{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126728",
    "entityType": "User",
    "nonce": "0x84e5b4881e2d5fdd60163a8d2d86c5b1c5b8455fdace6a23f8a45026f0936bef",
    "signature": "0x110a9d261f6c549abf9d4fcff62f82a048b0e56858f126231c6be463ea5c3f6805588447cba338cafc699848234a2fe32fab6486e1610aaa2644d6a25de616c11b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}