{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57042",
    "entityType": "User",
    "nonce": "0x94986f05f82bec35512a1a69601299fffe9da4e6177c664fa599068716230855",
    "signature": "0x2a69009dab10a2fef4c4d23481df4c5658df02ac4a5a5d358e2729f28422fdce306d2aa85d469421d2310588a3ce8c57cefd30b2787250a93fe92da4e54c359e1c",
    "signer": "0x9a5c768De106BE48C39290B55c20D8C5D6A7f6bA",
    "userId": "539482786"
  }
}