{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186410956",
    "entityType": "User",
    "nonce": "0x3c4ca2052a2f3472e00736d9a436a65c31f7e9e59a077615d130b54ac3e84b5e",
    "signature": "0xeae250091226055f661aab836b092867dfa7ad185e34b0fa4f844504feaa9e1810dde009263216b64a400a72e3d35f1128cd10bc2a211898b982b4181d28086e1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}