{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xddd492037c0bdf7274a880c3aad7fc1f556a0e76ec7e2cce634beff42629cffb",
    "signature": "0x2d4859d50e6dd71aa7d69da03d1c0360063caa2944376803ad7f5c90e02c549a744caaf1676ce0c6eeec36bbcff781d96faaeb40fa8fa51791633ba4c55190b21c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}