{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317620",
    "entityType": "User",
    "nonce": "0x3a077e06e9653c2dc23b479c18126b49da52a72c543827b86708f3048fd5cadc",
    "signature": "0xffa2ac08e6c6a93ec0ec20335505565100eb90a70891aaeeea201bd819f4c11575af9d4f21f2fd97d2ee32a88b69e1bd99d8d1b3edd219a5d5f0728aaf1657d91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}