{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "181285",
    "entityType": "User",
    "nonce": "0x55cafbf4fbe1231be05b012787ca09ad6402bce6352704d409a3538c32b88c56",
    "signature": "0xd4ff80357fbe9a85049a23e3e243fc9fdb9a53d9e4bffc9bac4bbbbdc93dcf5e3815554fe5f0085fcea9da602fea5d80215a7b33e9f043ad9f1e0ab198bbeb621b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}