{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x478e8537d22f22f39457da539b7ec54ba05632f3562a1c198368664e10806d75",
    "signature": "0xc7cadca9f71497c1c63ee19b7d9812718b4ba3f812444ef40018028f287538c757b190203b1874a8a77346e532519cf75e5af9ad3941aa2592fbb9e0875166471b",
    "signer": "0x79112Ea36625dFA8dd996c11847B45e2C8C1F54a",
    "userId": "296453887"
  }
}