{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202",
    "entityType": "User",
    "nonce": "0x2b1aed36ea02f19565fc8307a861dddcb690fedc0f76451c40255efe3108ebd1",
    "signature": "0x820b57e8af3ad845090c6fd9a3b36efc8b25c4e3e81cb48ac090eb17f80cf36a0913c483a0e1d77ab53277053cec80a839ae97b3c98b7fd693ed858e4d1762ac1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}