{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0xcb7645c5932115c9e962dcd58413476bb65c110076e9494de117016930412531",
    "signature": "0xb9a86175b5f9474d88c972b0c88cbd8b3d43df7e577652ec41716f3b3cbee4256e3cee90e51ef5d9efd1c22d26c38bd53207465a26224b87db3f54c03ce0464b1b",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}