{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x481b150cbce2b73cc8c2e5cd4681ac111a8e61016ed2a582405dad6039fd2428",
    "signature": "0xaebe8c2cf1b39dd231098c12ae5c0c7b16f63a874594bfaca3973d8587071f132cf02c1ba93aa4f55d513c20ded06d24dec2e759dbbc1e9f11b80f51bc0025491b",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}