{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x3abdc240bb05ec301bb3a3e95eb14e1fca68030d5f7f409f43808db7335dbac4",
    "signature": "0x9efe851ae59f60c81aa2439bb2ea85c492c3361d6c1dafa940e708d6666c051971abb170c845646e672a9e00799841c20fafbbb6c775095e1d8b6b06dc9921741c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}