{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405238600",
    "entityType": "User",
    "nonce": "0x609e0bba94ba1139b439d54fd12df947b027a72e023fac8b8e4c3d6b556c6214",
    "signature": "0xc76cc5a69d5abfc374603460cf3f903def5f7afc0d4e6138e56e6627af32be72740436bdef9108c915b8a139e34861133422a0e2a52f439453ea878af95fba8c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}