{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2044",
    "entityType": "User",
    "nonce": "0xb4467b9d050224966a0b6733d2565a2232b3892a9ec931ae3e98069b0f1f2d5a",
    "signature": "0xf30ee3dd1d3e228dc984c5b82d5c585bbdbb6912352f9e69808108c8b261a7b246e1f3af9d993e5dd44bf7655ba19a3e76f2d3a5a4c93991c9aedb6742c5997e1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}