{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfb09a95e51dbf2018c406ff8d24c810e875fd383a901b065365da663ca691634",
    "signature": "0xc3221f1839ce52428cc3ee30e2f7150edd29ba7d268cc403495a3e1b5499752f4f3f548a367d5c1a594539fe26a72fbd4694a51327f80a34e4674d6a5b176ef11c",
    "signer": "0x67167AbC91859b34FAF160b2716EA8251977d1F0",
    "userId": "872410480"
  }
}