{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x4ba6b3a0260f90f79e52fdb0dbd768716336d373ff85ce4979bcd01d42968e11",
    "signature": "0xba7fd82486748f6fbbc66ac1c462a242b34c3afb8775f703cb55c398bfe4ee0412db7521e9ea2316bdf2da5964d3fb62694271629f9542d883b7bf5f0a211c151b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}