{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189516",
    "entityType": "User",
    "nonce": "0x91e1302a02cf965cbf0322638c22703edc998390a9814d64b1b68989f89ae223",
    "signature": "0x30c9a831a6147aa0cfe61f9dab94e841979781daa46d71de46d89849196797070dfb1c325ece0a4e0e5f2b7a1686017aaad90b292be6487a83d14231dafe35891b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}