{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55149",
    "entityType": "User",
    "nonce": "0x82d2c6021d23e93255d5ce1416ac22b93ed82a69e181d8afd698bdbd6211efc7",
    "signature": "0x31126df7be9e6af39888124effe91e73b712f836c371f6cf3a2de27c678261c02cd654ba74e6f637eb64fb88922667608237c7f2e6f02e48a6ed95d1f5efbb741c",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}