{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xab9bfe26c53853a9693ec290609b9e6e4cdee53205f9cd44073df02e45ecf54d",
    "signature": "0xee4cbb0c8f2d1c2074b7918c92b6fb33a5707222c952b3f8626d72236a1cedc7261702f27def0dc011ca53bb53b5a1b4c7a9e04a44f02b1912311607cbdce6c91c",
    "signer": "0xbAA633dfD19281ECC20a6b689F49CE8725d526Cc",
    "userId": "127651"
  }
}