{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195891",
    "entityType": "User",
    "nonce": "0x46411fce511fb840624c34519c37d5c094e16d4d7a0776924aa1b1792e78b38a",
    "signature": "0xf30a20ef7397d984bfca61d6d61a00508b1b5c543ecf89b612ce95581ad278ee712b9b045ed793d0e142186362e5eada88aacee947496ca377d9d6bd4ff3ccb31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}