{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82967",
    "entityType": "User",
    "nonce": "0x75a3c0f84b906d6aabc0b39743d82d2254289ab860bd7a096a720c87d7b10c15",
    "signature": "0x1485d9db5eb3f6767cedb064098bf0e96d913e56d565fc5d0e20dd179adc08773fcf4ae5796809c896fb1617eed0940a1a2a0babc7402e917c136ef86cbccf921b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}