{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "700531000",
    "entityType": "User",
    "nonce": "0xd5d5c5908dff3f0c1d569d416dfa96568b4e88a8d0ba2c795daf5f53ff804e68",
    "signature": "0x2728bf997e9abb62b7f421df7d6c8b76124ba37686bd3e20db0772b901a640252f7e5f65f4ae301a1c909c561409465aa293a70787889af4eb69333a3200cada1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}