{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758745",
    "entityType": "User",
    "nonce": "0xf17396ab88d0810844ed5a48417bc9039a7cf9d5fbcd258256cc3fc4d62290fd",
    "signature": "0x9cd8993df11cbb60bed6aaa37ae685a788b9ae036ef8a2fcf8be23879861bbce640c76fed81528be2c396d288a4577aefa9c2260d7d08caebdb5e9c5a5a656d71c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}