{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0x0bfcecabb867b8b291bdadb028c84c6cd25f130ee180f32b82d0ff776543a410",
    "signature": "0x15ac5494b3e1cd28244599e0a81e302d5d72930b9f28c74fb7b9c356174df2e0514c6282facc275b8a62b5bfc0b519c5347769750c863fa13657147d892b08271c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}