{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394450",
    "entityType": "User",
    "nonce": "0xfc776a1df49aea741a11653fcf611e7390f41f51d877f3a4e539bf1a6e10a284",
    "signature": "0xa373e580fdd54151edd37aa134f93df098f445225e9bc96cf736e88c051f2e527e2ad8c6941ef006f212881e4efc585d9c1b8db5a53a8c25cd1570b6f841371d1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}