{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "734009",
    "entityType": "User",
    "nonce": "0xe6f058d6bc6aaffd94db522dbb90d456e37584ba3f677338082bc41ec4614e3d",
    "signature": "0x6d16ea47ae6ed5053656861d2139eb2cd07f857836bab75c27e3cf1badc6c03634d01e5d30a463dbd5e278a76756a1d619bf132f1b47cd64aff4055b981f0f821b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}