{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151269",
    "entityType": "User",
    "nonce": "0xa7c146c3242950829f44909b0a9086afb28f4ed3aa6938e70c8d0eebcbf8fbb8",
    "signature": "0x546d73a5f7a960afdcac5acec3f500b0961ffd492387c3f3a433c6ee8bb2da401ea5658e31ece22a2d02b91d6a9acf3cf8143ab656bddd740370333cce95f8b61c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}