{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeed66a0d510ed7fa39a34925b41963a2de9589a7aa75d2f2abf4d86a1f25ffb2",
    "signature": "0x43f099df6d6e6080a2049322e16edd08aa68ce21391f6813b1b6b512c5a4c6c86caede7f84609b64c5852de1d1986eef579202810727687ea6958aa6444202421b",
    "signer": "0x5b8B496638112823e691a9CB3c26C6A4262a1B32",
    "userId": "410151996"
  }
}