{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190572",
    "entityType": "User",
    "nonce": "0x74597fec89883725288479c9c01ab571c2c183283074b851ee18c70f9993aea8",
    "signature": "0x6a2a6a43e2f07a278d230fcc0618b1072be58b082be33798e85cc02730a6ba8178eebfd4bb8429477a52e3d5b6760039f2d4949fc67390656244c5eba8e6a3691b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}