{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188359",
    "entityType": "User",
    "nonce": "0xbcd9f35da73ebb4ce5d2653889a9aa4270d30b427e1ac2075cb2a813538b465e",
    "signature": "0xde26e36beef5a6ffb5e45747686c1811ef9d5bf9415449adad3fda59cd92dc045c5369b0bdda7693207339773102ff0ab849f6024c11fb5488427b4c402666db1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}