{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83801",
    "entityType": "User",
    "nonce": "0x8038997da7dcdee01a28829cd9a0ea5cefd33df3d3868635dc62ce7a13331873",
    "signature": "0x4d07470db14f6ed42fd3756eb0b245e95173e7e852cb3891ef5b456e7781e4f76164fc6af7458f98721ee0458d0f9e7cf3b4137c74aef84138c5ea78d1cba8151b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}