{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "197220",
    "entityType": "User",
    "nonce": "0x0e99b216cf5fc26ecc9114284eacbe52f727da784dc57d926b32a943ce1ee8b0",
    "signature": "0x86ed08ee06bc0e08d261200909f96cf55b58fd16ae9e1d3da8bb0b4e553d868d7ac6d6f431b65e2ceec401457753fae0abfd4bb1acc8c187add017eaa3dfb5441b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}