{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195865",
    "entityType": "User",
    "nonce": "0xcab5f246a976e30eda48dfd805630851491492d9d50c5239b88d0e473512edfd",
    "signature": "0x8eecf6bab90200a968c06fef340499f798f47f364db1f312bc6da4763a0d91f029daebb48d1867bfbf138585c76e9e26a723676d507a72c324e30afef0e487711c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}