{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x45cb1e24b9867f2b624d8c78a6454dfc855d9107f8971404582dc3870663640f",
    "signature": "0xf3b7cb2e50554996dc350d306275cf1a27f5a316a2d4648eb14ef8e5b59406dd402bffaee1541234c7c246953490ea8e6868ada53bf8e5d5b5c3288849ddf0511c",
    "signer": "0xd648B38B61b65e4F8df57D4EE65560D8DaacFDb2",
    "userId": "277314120"
  }
}