{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286160",
    "entityType": "User",
    "nonce": "0x26519bd10a0529952a85dd8d456b11aad99b138441f26aaa6756bedcecb1e506",
    "signature": "0x9e04b3834ec7b0a1cee47a63677ac3c10555750c39be510454d04b4ea88d11e460efa52e680e8573f2d9bd48bb9cc065ab63010b53f651e705be6af8ba36cd6e1c",
    "signer": "0x37078959e8708e75303c5386562E052FCE3c1B1C",
    "userId": "446684277"
  }
}