{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x2fbbaf83e9762b27e3150fb52a3a74e3dc061c355821ded75d9ba310c449ac0e",
    "signature": "0xb893665a0db0e4e63807879c6a1e4266c478a04a7202b30f50769f360367a2404bce9a5122abb9ee0db05707bad0524c1db280ff4ce413c7c112dfc47196938c1b",
    "signer": "0x2E09706d061Da2bB66d01F583c734E89CFCd23D1",
    "userId": "14811"
  }
}