{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1315037",
    "entityType": "User",
    "nonce": "0x45a11aa65f306315ba7eeaa7f045858ebfaf5c1d6f3224801566b658f2d94062",
    "signature": "0xccae884b0bf287621a1d82ff9c52e49745409bb04f999610197f0c9aaa732dae4d11b7b232b54f5f050ac6ca60fec6a0f41bc01c26eacc7c75cdbcda6ac6ecea1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}