{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "536962",
    "entityType": "User",
    "nonce": "0x2dbecc94c4080beba8cc58b85c1feb2d089211bb0b119f92f4223d139cdf50f0",
    "signature": "0xb2c91a1a821d2743350d1f81934961cf017a644510d3feba37cfac3c0df6077a167df5a557ada65f713e363a9dcf2d98417a3b0278b322a5f6d9d033014fda331c",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}