{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x06f8b81e4058e22ac67426802c57f996f9de6154a7a55559be0a369a77614181",
    "signature": "0x71891a9097523f4344f0b0854b0c6041748645d4bf8b8a0350097fb2a2b4be975148a9897c196f983260e2e1ef0c9503cf17716e04607dcce3399e9721f9f40a1b",
    "signer": "0x44567269b2165376Bd13d6bECFDE4A02F3ef59AD",
    "userId": "49012201"
  }
}