{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14968037",
    "entityType": "User",
    "nonce": "0x5fb7703746463cfd2c2f7bf72c6d12543c11e090f745dc5dff704501e25b90df",
    "signature": "0x83058969f2ba63b11ba4066068e61032e54f3c2d35d9d83550369c8b1267d00a5ad12d912e360b8ceb34db44373eb81f6955b86fcc2e8f3536772bec36a81b541b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}