{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0xdf0f74e9c42a6651a90918bbd4aa2293ac8508373fd0b0259d9000ff8ed040ef",
    "signature": "0x65f74929fda006e5f462f11a4363a3ad04b2ce36a7133029ae579a3aeae938fd0cb78f223da77a673c781cd6363e9a2b17177f8f20f0a953cd17c56aa95042ab1c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}