{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190572",
    "entityType": "User",
    "nonce": "0xac1177d4b30f7da2b8f65b8018601c2aac0ba88a73e74b44c23c2accf29dfa6a",
    "signature": "0xc8d659fafeaac17d38b33d503fa0b6f12be12e185d9a68f3e10f437fe25478b55fbf4409e53a387724defe3abe892e9ec4678d6fd95301a2f04c6a3ac8784f3d1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}