{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967681084",
    "entityType": "User",
    "nonce": "0xc715ae87f190e7e8eee014c9f2528979d0e364899b462cca6f4242166e2c213c",
    "signature": "0x8c2ecd62cc7952264fb861330881e1a771cd12bf95e9f2e28b1ab71e4a662c7d203f86a81d0d35b41c52d7d69813b1638bb5750bd6989d7b664b061664b696b61c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}