{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x0bd14b94cc7693f55b22e7b4d27c05559858ee8d018e8781ded3fc16163ec9d2",
    "signature": "0x92f1f135cfcf350e04c5ad8bb51bfd26412cba52d14591f1e4cbed1d46e97e2e344d2fbdac48d5b7bdf72a479959b824f192110d8e157d53a283f524179c86b41c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}