{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xafdba09dd95763bfc1b2ebae8eb412c459bb9794db67b94e3545a0e9fb4509ff",
    "signature": "0x2e29d792e40c4263639b6813ecc6ddb5b7ea5e839d1643e3e9176d3940c6dd5524ee6f573de8aea9565cbb09f663a2e1251ce9564dca1bd1a98b7734049211601c",
    "signer": "0xc23B5e8f2Ecf23Cb3a24a8BbBC3B82C4146eBE91",
    "userId": "273018072"
  }
}