{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166935",
    "entityType": "User",
    "nonce": "0xcd9954cde3b7a5c0be090d50aa974b728262f9b38ec3392dba1580ba5d4d809d",
    "signature": "0xaa49e0211abacfb5006554c7ffd45fbc50dfd576a7a1dd50e501cf5a9668eaff534e5180dbbb36e52e6f4362eca509c0a32a90e36af3d61b9503b134c030987e1c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}