{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58157",
    "entityType": "User",
    "nonce": "0x1c5e3efe49b221a43f84ecceeb2ce9aad204e80c28bc3df5cd97f08dd40a09cb",
    "signature": "0xb1533d677d6802be0b34dc30abf0de9bb0267159337d0b0893600463396e8b4607b8128b813b95e5693bae18744e7a789858aff966699b8400dd9041688af5eb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}