{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xdca51709d814221c84a42675ce287107e7fa59c87a7270ec7c9f51adfa99d876",
    "signature": "0xdf2bf46e45c9bfabcb5dae6e0652c3281e3333bcbfcf3ee5248791599bc470a84bdbf68e033841a786b1a0099b72fd77fc5a15976f52629f8fca2eba3cd926911c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}