{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd5142ae594c3fd5ea1bd618f7899e114ccd13d67ad30d3bef90dcb82c12344e3",
    "signature": "0x8559f4e0e1c71860110418d2b7d8206f76bab01436c1507bd3ef1d240ced3345446a9b7ea386568340f9b7d2473fa3d814ec446f4137553f32c2405515b971d01b",
    "signer": "0xae6A06941Dc387764CB144aA1A9AA46fccF6236c",
    "userId": "130378018"
  }
}