{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547969682",
    "entityType": "User",
    "nonce": "0xe212c7cd9e995367ba2fbde18bd087d5f382474677eb3276ba635eb3e9b82f59",
    "signature": "0xad09cdbe52fcbda99e328bc06e39409c5a805d0f905e2cfaba7e7a395694a24b4286c20ae2ed323aae62a35048c1f9c07ccd5a095a7cb4e18cba07d4d1c8266b1b",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}