{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0x1c98be0e5a3c10fd514b7c3377e40c2287082ed25916e7ef285ba315d837ad19",
    "signature": "0xe5288067142987e837da8609441151321976cc34f4b2ac16ee0ba7c00ca872a322d723fa32de7a15ef5318e28004d4be4d3da9653a37b431ad03044eaebc0ad21c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}