{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x2353dd5408c44614a9f64c694c235a73ccc8ba01ea8f8ac74ef5270233de9469",
    "signature": "0xff26f0fa0050c0547803786964a23158784ec68d7b5d5dc07c44c01ed3cd915e3fe6f5160b9debabcec5403141e14a503e66a26c9694fc503952212515ce83d51c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}