{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101144",
    "entityType": "User",
    "nonce": "0x746e3ecf049590ff7204cc09085ff414e7daa24704cf703309660837b04ed478",
    "signature": "0x53721aa916b41e5f63473fe6d3647952ba3116d6638b59fcac0b0f7ca294c272773ac15e050e814aeb185c73b31381e1f92318264fab14894492ee54d62e0dc31c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}