{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "983232029",
    "entityType": "User",
    "nonce": "0x1289432d524c113d254e14046b1b8fe38feff40959e989cceaefaee86745dc8b",
    "signature": "0x967be5b428f890a5de75e6c0755d31bfdf4b82e0beb190aee7e3bd2a047305d13a2b092775026f362dfcaca47a2157ab004c020c206adc3bc90246fbdc7339a51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}