{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0xc1dc37c994415ea600938cddbbd2f971ffebce42ce14c1d17ee1a4979e3ffc32",
    "signature": "0x28149be3cbc2f8197c8654d77df6b11197bb5882e5c44976f49dd46033261afd60674bff43488420999641ca0c3a1fc5ff61032f337f86621d6cec4456b1aab11c",
    "signer": "0x58E590293E7aC2D466d8902594f0f2Cad494dCeE",
    "userId": "921946884"
  }
}